NuVOICE UL-580-4

4 Channel UHF Wireless Lavalier System (Frequency Set 4)

We apologize

This item has been discontinued

Get FAST answers from customers ASK a Question See questions answers

The NuVoice UL-580-4 UHF Wireless Headset System:

Experience the ultimate freedom of going hands-free with the UL-580-4 four-channel UHF wireless lavalier system! Each receiver channel has its own field-replaceable module that easily slides out without the need for special tools, and without affecting the functionality of the other channels. Whether you’re a house of worship, theater troupe, or board of speakers, NuVoice has you covered. Free yourself and discover the reliability and versatility of the UL-580-4!

What's In The Box?

  1. (1) Owner's Manual
  2. (1) Custom Aluminum Travel Case
  3. (1) UL-580 Receiver
  4. (4) Body Pack Transmitters
  5. (1) 3' Male/Male 1/4" TRS Cable
  6. (4) Lavalier Microphones
  7. (1) AC Power Adapter
  8. (8) AA Batteries

Product Features:

  • 4 Wireless Bodypacks Included w/ Lavalier Mics
  • 4 Independent XLR Mic Outputs
  • 1 Mixed 1/4" Output
  • Individual Volume Controls for Precise Vocal Balancing
  • 4 Independent Field-Replaceable Receiver Modules
  • FCC Compliant UHF Band Operation
  • Rugged 1 RU Metal Receiver Chassis Fits 19” Racks
  • Also found as: UL580
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


  • Receiver:
    • Oscillation Mode: Quartz Controlled Fixed Frequency
    • Stability: 10 PPM
    • Sensitivity: 1.6uV @ sinad = 12dB
    • Max. Deviation Range: 50Hz
    • S/N Ratio: >105dB
    • T.H.D.: <0.5% @ 1kHz
    • Image Rejection: 85dB typical
    • Spurious Rejection: 75dB typical
    • Frequency Response: 40Hz ~ 16kHz
    • Squelch Control: Dual-Squelch Circuit
    • Max. Output Level:
      • Balance: 0 ~ 400mV
      • Unbalance: 0 ~ 200mV
    • Power Supply: External DC Power Supply, 0.7A, 12 ~ 15V DC
  • Transmitter:
    • Transmitter Power: 30mV
    • Spurious Emission: <40dB [with carrier]
    • Battery Voltage: AA 1.5V*2
  • Frequency Set:
    • Frequency Q: 676.74 MHz
    • Frequency R: 614.15 MHz
    • Frequency S: 619.12 MHz
    • Frequency T: 622.665 MHz
  • Dimensions:
    • Width: 18-15/16"
    • Depth: 7-13/16"
    • Height: 1-13/16"

Microphone Specifications

Microphone Type
This is the type of microphone included with the purchase of the item.

Wireless:All of these microphones can be used without the necessity of wires or cables to connect them. They usually come with a receiver that connects to the input device where the audio signal is being sent.

Shotgun: These microphones are suspended on a boom and are used primarily in video production and broadcasting.

Lavaliere: These microphones are clipped on to the lapel or tie of the talent for broadcast and video production audio.

Table Top: These microphones are designed with a built in stand or to be placed on a table top stand to be used for broadcasting and podcasting applications.

Headset: These microphones are to be worn on the head typically for live performance and theater production.

Handheld: These microphones are held in the hand and are used in a wide range of applications primarily vocals and public address.

Clamp On: These microphones attach directly on to an instrument.

Drum Package: These microphones are an all in one package for drums typically made of dynamic Kick, Snare, Tom, and a stereo condenser pair of overhead mics for Cymbals.

Designed Applications
The intended application the microphone is designed for.
Spoken Word
Public Address
Number of Microphones
This is the number of microphones that are included in the package.
Polar Patterns
The polar pattern of a microphone determines how sensitive it is to receiving sounds as they arrive at different angles.
Transducer Type
The transducer type is the manner in which the audio signal is converted into an electrical signal.
The configuration of the capsule determining on which side the microphone is sung or spoken into.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
40 - 16000 Hz
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
1.6uV @ sinad = 12dB
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value indicates less background noise.
>105 dB

Wireless Specifications

Carrier Frequency Range
The frequencies of radio waves used by wireless communication transmitters and receivers. VHF 30 to 300 MHz, wave length 1 to 10 m UHF 300 to 3000 MHz, wave length 10 to 100 cm
629.40 - 694.11 MHz
Number of Channels
The number of different frequency Channels that a wireless microphone system is capable of using.
Transmitter Type
The type of transmitter in a wireless microphone system.
Receiver Type
The type of receiver used in a wireless microphone system.
Rack Mountable

Specials with this Item

Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

Hide answersShow all answers | Sort by
No questions have been asked about this item. Be the first!

Product Summary


Model Number




Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: NuVOICE UL-580-4

Item Added to Cart

NuVOICE UL-580-4

4 Channel UHF Wireless Lavalier System (Frequency Set 4)


Keep Shopping

Get Added Peace of Mind with SquareTrade

Why SquareTrade?

  • The #1-Rated Protection Plan
  • 5-Day Service Guarantee & Free Shipping
  • Protection from Normal, Everyday Use
You have added a warranty
Add Warranty
3 years of protection